Profile Reconstruction from Temporally Stable Emission Components for Timing PSR J1713+0747

arXiv:2608.04108 · astro-ph.HE, astro-ph.IM · Submitted 2026-08-04 · Read on arXiv

Shaswata Chowdhury, M. A. Krishnakumar, Sharika Dhakappa, Vidit Singh, Debabrata Deb, Jyotijwal Debnath, Kaustubh Rai, Pratik Tarafdar, Abhimanyu Susobhanan, Churchil Dwivedi, Bhal Chandra Joshi, Shantanu Desai, Neelam Dhanda Batra, Jaikhomba Singha, Himanshu Grover, Manjari Bagchi, Mayuresh Surnis, Avinash Kumar Paladi, Aman Srivastava, Arul Pandian B., Suruj Jyoti Das, Jibin Jose, Kuldeep Meena, Sushovan Mondal, K Nobleson, Keitaro Takahashi, Hemanga Tahbildar, Kunjal Vara, Zenia Zuraiq

astro-ph.HE, astro-ph.IM

Submitted: 2026-08-04

Comments: 11 pages, 9 figures, 1 table

Code: https://github.com/nanograv/discovery

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Bayesian Inference — 4× in this paper · explained in 5 episodes
• Core — 3× in this paper · explained in 2 episodes
• Frequency Dependence — 3× in this paper · explained in 2 episodes
• Alignment — 2× in this paper · explained in 1 episode
• Bayesian Framework — 2× in this paper · explained in 3 episodes
• AGN — 1× in this paper · explained in 1 episode
• Institute for Basic Science — 1× in this paper
• Square Kilometre Array — 1× in this paper
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Emission-rotation correlation in pulsars: new discoveries with optimal techniques
• X-ray spectral modelling of the AGN obscuring region in the CDFS: Bayesian model selection and catalogue
• A Study of Multi-frequency Polarization Pulse Profiles of Millisecond Pulsars
• Tempo2, a new pulsar timing package. II: The timing model and precision estimates
• The second data release from the European Pulsar Timing Array I. The dataset and timing analysis
• MultiNest: an efficient and robust Bayesian inference tool for cosmology and particle physics
• PSRCHIVE and PSRFITS An Open Approach to Radio Pulsar Data Storage and Analysis
• The NANOGrav 15 yr and 20 yr Datasets: Timing Events and Pulse Shape Changes
• The NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background
• An unusual pulse shape change event in PSR J1713+0747 observed with the Green Bank Telescope and CHIME
• Nanohertz Gravitational Wave Astronomy during the SKA Era: An InPTA perspective
• Measuring pulsar profile variations with 2-D Gaussian process regression
• High Precision Measurements of Interstellar Dispersion Measure with the upgraded GMRT
• Systematic and Stochastic Variations in Pulsar Dispersion Measures
• A Second Chromatic Timing Event of Interstellar Origin toward PSR J1713+0747
• Generative pulsar timing analysis
• Profile Stochasticity in PSR J1909-3744
• Profile changes associated with DM events in PSR J1713+0747
• Prospects for High-Precision Pulsar Timing
• Switched magnetospheric regulation of pulsar spin-down

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